2661318760

素因数分解:

$2^3\times 5^1\times {\mathrm{809}}^1\times {\mathrm{82241}}^1$

素因数の和:83061

約数の個数: 32

約数和(自身を含む): 5995441800

約数和(自身を除く): 3334123040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 809, 1618, 3236, 4045, 6472, 8090, 16180, 32360, 82241, 164482, 328964, 411205, 657928, 822410, 1644820, 3289640, 66532969, 133065938, 266131876, 332664845, 532263752, 665329690, 1330659380, 2661318760]

約数ペア:

[(1, 2661318760), (2, 1330659380), (4, 665329690), (5, 532263752), (8, 332664845), (10, 266131876), (20, 133065938), (40, 66532969), (809, 3289640), (1618, 1644820), (3236, 822410), (4045, 657928), (6472, 411205), (8090, 328964), (16180, 164482), (32360, 82241)]